This invention is directed to a device for implanting an artificial endosseous element of ceramics in the fields of dentistry, oral surgery and orthopedics, comprising an implant screw pin and more than one nut element in combination with said screw pin primarily for securely holding said screw pin in...http://www.google.de/patents/US4016651?utm_source=gb-gplus-sharePatent US4016651 - Device for implanting an artificial endosseous element of ceramics and an implant method for use of the device
